268112697616 has 15 divisors (see below), whose sum is σ = 519472364581. Its totient is φ = 134055313216.

The previous prime is 268112697569. The next prime is 268112697659. The reversal of 268112697616 is 616796211862.

The square root of 268112697616 is 517796.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7604537616 + 260508160000 = 87204^2 + 510400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2006460 + ... + 2135908.

Almost surely, 2^268112697616 is an apocalyptic number.

268112697616 is the 517796-th square number.

It is an amenable number.

268112697616 is a deficient number, since it is larger than the sum of its proper divisors (251359666965).

268112697616 is an frugal number, since it uses more digits than its factorization.

268112697616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258906 (or 129451 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The spelling of 268112697616 in words is "two hundred sixty-eight billion, one hundred twelve million, six hundred ninety-seven thousand, six hundred sixteen".